Update submodules: plugins (new commits)

plugins:
    773ff13 Greg Holmes <greg@dmdirc.com>
            Show PMD directly from FRW isntead of via actions.

            Also fix the debug command to show first run wizard.

            Gerrit: http://gerrit.dmdirc.com/3234

Change-Id: Idabb6923b46a55f507089bf0427c12d4827725a4